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GMC R1500 Suburban CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about GMC R1500 Suburban car and truck
repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your GMC R1500 Suburban automobile. Try the Automotix DIY solution today!
BRAKE SERVICE PROCEDURES FOR GMC R1500 Suburban AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC R1500 Suburban cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> Bendix Brake Boosters -> TROUBLESHOOTING -> ACCUMULATOR LEAK-DOWN, SYSTEM DOES NOT HOLD CHARGE -> GRABBY BRAKES OR BOOSTER CHATTERS/PEDAL VIBRATES -> SLOW BRAKE PEDAL RETURN
Vehicle: 1991 GMC R1500 Suburban 5.7 V8 GAS
SLOW BRAKE PEDAL RETURN
- Excessive seal friction in booster.
- Faulty spool action.
- Restriction in return line from booster to pump reservoir.
- Damaged input rod end.
GRABBY BRAKES OR BOOSTER CHATTERS/PEDAL VIBRATES
- Faulty spool action caused by contamination in ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC R1500 Suburban AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC R1500 Suburban cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Replacement -> 6.2L Diesel Engine
Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL
On models equipped with fuel injected engines, relieve fuel system pressure as outlined under "Fuel System Pressure Relief."
On models equipped with metal collar quick disconnect connectors, GM tool No. J37088-A, or equivalent, will be required to disconnect the connector. Prior to reconnecting the connector, apply a few drops of clean motor oil to the male pipe ends.
On models equipped with plastic collar quick disconnect connectors, squeeze the connector plastic retainer release tabs to release the connector. Prior to reconnecting the connector, apply a few drops of clean motor...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC R1500 Suburban AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC R1500 Suburban cars and light trucks from 1990+.
CV AXLE SHAFT, Replace
Vehicle: 1990 GMC R1500 Suburban 5.7 V8 GAS
- Raise and support vehicle.
- Remove wheel and tire assembly.
- Remove drive axle center cap, if equipped.
- Insert a drift or large screwdriver through brake caliper into one of the brake rotor vanes in order to prevent drive axle wheel drive shaft from turning.
- Remove nut and washer from hub. Do not reuse nut. A new nut must be used when installing wheel drive shaft.
- Using axle remover tool No. J 45859 or equivalent, press wheel drive shaft from hub.
- Remove bolts securing wheel dr...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC R1500 Suburban AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC R1500 Suburban cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL
- Disconnect battery ground cable.
- Remove starter braces or heat shields, if equipped.
- Disconnect starter solenoid electrical connectors.
- Raise and support vehicle.
- Remove at...
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MAINTENANCE LAMP RESET PROCEDURES FOR GMC R1500 Suburban AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC R1500 Suburban cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> StabiliTrak Control System Warning Lamp ->
Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL
This lamp should light for a approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warning...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC R1500 Suburban AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC R1500 Suburban cars and light trucks from 1990+
Radiator, Replace
Vehicle: 1990 GMC R1500 Suburban 6.2 V8 DIESEL
- Drain cooling system into a suitable container.
- Remove upper fan shroud.
- Remove radiator hose inlet.
- Remove radiator hose outlet.
- Remove transmission oil cooler lines.
- Remove overflow hose.
- Remove ...
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SERPENTINE BELT SERVICE PROCEDURES FOR GMC R1500 Suburban AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC R1500 Suburban cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1991 GMC R1500 Suburban 6.2 V8 DIESEL
- Rotate tensioner to release belt tension, using a 1/2 inch breaker bar with a 5/8 inch socket placed on tensioner pulley.
- Remove drive belt.
- Route b...
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COMPONENT LOCATION DIAGRAMS FOR GMC R1500 Suburban AUTOMOBILES
Component location diagrams for most GMC R1500 Suburban cars and light trucks sold in the U.S. from 1990+.
 Engine Wiring & Components Diagram for 1991 GMC R1500 Suburban 5.7 V8 GASComponents on diagram: |
 ESC Knock Sensor Diagram for 1989 GMC R1500 Suburban 5.7 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR GMC R1500 Suburban AUTOMOBILES
OEM drawn wiring diagrams for most GMC R1500 Suburban cars and light trucks sold in the U.S.
 1991 GMC R1500 Suburban 6.2 V8 DIESEL Wiring DiagramComponents on diagram: |
 1991 GMC R1500 Suburban 5.7 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC R1500 Suburban AUTOMOBILES
OEM TSB listings for most GMC R1500 Suburban cars and light trucks sold in the U.S. from 1985+.
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Document: DOOR - WATER LEAK AT DOOR MODULE VENT VALVE - SEALER Vehicle: 1990 GMC R1500 Suburban 5.7 V8 GAS Symptoms: |
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Document: IGNITION COMPONENTS/DO NOT PIERCE - MISS/HESITATION Vehicle: 1988 GMC R1500 Suburban 6.2 V8 DIESEL Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC R1500 Suburban AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC R1500 Suburban cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most GMC R1500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most GMC R1500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most GMC R1500 Suburban cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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